/**
 * Created by porco on 17/1/9.
 */
export default class Numbers{

    /**
     * ［开始，结束］区间随机数
     * @param start
     * @param end
     * @returns {number}
     */
    static random(start, end) {
        return Math.floor(Math.random() * (end - start + 1) + start);
    }

    static add(one, two) {
        return one + two;
    }
}
